2 years ago

Water contained in a reservoir is controlled by a dam. The energy of the trapped water is

1 answer:

6 0

Another example of potential energy.

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jasenka [17]

Answer : The density of an object is, $2g/cm^3$

Solution : Given,

Mass of an object = 60 g

Volume of an object = $30cm^3$

Formula used :

$\text{Density of an object}=\frac{\text{Mass of an object}}{\text{Volume of an object}}$

Now put all the given values in this formula, we get the density of an object.

$\text{Density of an object}=\frac{60g}{30cm^3}=2g/cm^3$

Therefore, the density of an object is, $2g/cm^3$

6 0

2 years ago

Dvinal [7]

Seems right, but if it’s just asking for one i would pick B

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1 year ago

Anni [7]

Answer:

B.Add acid to water,not water to acid

Explanation:

they should not be mixed

8 0

2 years ago

Vanyuwa [196]

Answer:

66s^-1 will be 1/66

then to convert to minute you multiply by 69

1/66 x 60 = 3960 mins

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2 years ago

KIM [24]

Answer:

R=0.0564g K2SO4

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3 years ago